Botany 130

Flowering Plants: Learning Objectives and Review

return


Complete Flowers: Recognize receptacle, sepals (calyx), petals (corolla), stamens (also anthers and filiment), carpels (in both simple and compond ovaries), pistils and the three parts of the pistil, stigma, style ovary, and ovules. The flowers below are all complete and perfect.

Link to Collection of raw images

Magnolia

Prunus - view of dissected plum flower (we saw black cherry in lab)

Snapdragon

Fuchsia

Dandelion (Taraxicum)

Incomplete Flowers: Recognize perfect vs. imperfect. if imperfect a monoecious plant vs a dioecious one.

Begonia: an imperfect flower; both sexes are found on the same tree, hence is monoecious.

Oak: an imperfect flower; both sexes are found on the same tree, hence is monoecious.

Box Elder (Acer negundo): an imperfect flower; sexes are found on different trees, hence is dioecious.

Link to a female bough

Link to a male inflorescence

 

Lilium Life Cycle:Recognize the ovary, carpels, ovules, integuments, nucellus (megasporangium), megaspore mother cell, anther, tapedum, pollen grains (microgametophytes), four and eight-celled embryo sacs (megagametophytes), and, in double fertilization, the two sperm nuclei ans each karyogamy event - one resulting in a diploid zygote, the other in the formation of a primary endosperm nucleus).

 

Fruits: Recognize each fruit type and how each is adaptive.


Return to Directory